/* ==========================================================================
   SkillLink — Apple-Inspired Liquid Glass Dashboard CSS (dashboard.css)
   ========================================================================== */

/* Dashboard Grid Layout */
.dashboard-layout {
  display: grid;
  grid-template-columns: 270px 1fr;
  min-height: 100vh;
}

/* Sidebar Navigation */
.sidebar {
  background: var(--glass-l1-bg);
  backdrop-filter: var(--glass-l1-blur);
  -webkit-backdrop-filter: var(--glass-l1-blur);
  border-right: 1px solid var(--glass-l1-border);
  box-shadow: var(--glass-l1-shadow);
  padding: 28px 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: sticky;
  top: 0;
  height: 100vh;
  z-index: 90;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.sidebar .logo {
  margin-bottom: 32px;
  padding: 0 8px;
}

.nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  border-radius: var(--radius-md);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid transparent;
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.55);
  color: var(--primary);
  border-color: rgba(255, 255, 255, 0.7);
  transform: translateX(4px);
}

.nav-link.active {
  background: linear-gradient(135deg, #0284c7 0%, #2563eb 100%);
  color: #ffffff !important;
  box-shadow: 0 8px 22px -4px rgba(2, 132, 199, 0.4), inset 0 1px 1px rgba(255, 255, 255, 0.4);
  border-color: transparent;
}

.nav-link .svg-icon {
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.nav-link:hover .svg-icon {
  transform: scale(1.1);
}

/* Top Navbar Header */
.main-wrapper {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.top-navbar {
  height: 76px;
  padding: 0 36px;
  background: var(--glass-l1-bg);
  backdrop-filter: var(--glass-l1-blur);
  -webkit-backdrop-filter: var(--glass-l1-blur);
  border-bottom: 1px solid var(--glass-l1-border);
  box-shadow: 0 4px 20px rgba(2, 132, 199, 0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 80;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-dark);
}

.typing-indicator {
  flex: 0 0 auto;
  min-height: 22px;
  padding: 0 16px 8px;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.typing-indicator[hidden] {
  display: none;
}

.typing-indicator:not([hidden]) {
  display: flex;
  align-items: center;
  gap: 2px;
}

.typing-dots {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  margin-left: 4px;
}

.typing-dots i {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: currentColor;
  animation: typing-dot-bounce 1s ease-in-out infinite;
}

.typing-dots i:nth-child(2) {
  animation-delay: 120ms;
}

.typing-dots i:nth-child(3) {
  animation-delay: 240ms;
}

@keyframes typing-dot-bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.45; }
  30% { transform: translateY(-3px); opacity: 1; }
}

/* Statistics Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin-bottom: 32px;
}

.stat-card {
  padding: 26px;
  border-radius: var(--radius-lg);
  background: var(--glass-l2-bg);
  backdrop-filter: var(--glass-l2-blur);
  -webkit-backdrop-filter: var(--glass-l2-blur);
  border: 1px solid var(--glass-l2-border);
  box-shadow: var(--glass-l2-shadow);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 25px 50px -12px rgba(2, 132, 199, 0.2), inset 0 1px 2px rgba(255, 255, 255, 1);
}

.stat-card .stat-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: rgba(2, 132, 199, 0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  border: 1px solid rgba(2, 132, 199, 0.2);
}

.stat-card .stat-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.stat-card .stat-value {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-top: 6px;
  letter-spacing: -0.03em;
}

/* Glass Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-md);
}

.custom-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.custom-table th {
  padding: 16px 20px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-main);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--glass-l2-border);
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(8px);
}

.custom-table td {
  padding: 18px 20px;
  font-size: 0.95rem;
  color: var(--text-dark);
  border-bottom: 1px solid rgba(255, 255, 255, 0.5);
  transition: background 0.2s ease;
}

.custom-table tr:hover td {
  background: rgba(255, 255, 255, 0.45);
}

/* Modals System (Level 3 Glass) */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(15, 23, 42, 0.35);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.modal.active {
  display: flex;
}

.modal-content {
  width: 100%;
  max-width: 580px;
  background: var(--glass-l3-bg);
  backdrop-filter: var(--glass-l3-blur);
  -webkit-backdrop-filter: var(--glass-l3-blur);
  border: 1px solid var(--glass-l3-border);
  border-radius: var(--radius-xl);
  padding: 36px;
  box-shadow: var(--glass-l3-shadow);
  animation: modalPop 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalPop {
  from { transform: scale(0.94) translateY(10px); opacity: 0; }
  to { transform: scale(1) translateY(0); opacity: 1; }
}

/* Status Indicators */
.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: rgba(16, 185, 129, 0.12);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.25);
}